<template>
  <div class="system-edit-role-container">
    <el-dialog :title="(formData.id===0?'添加':'修改')+'角色'" v-model="isShowDialog" width="769px">
      <el-form ref="formRef" :model="formData" :rules="rules" size="default" label-width="90px">
        <el-row :gutter="35">
          <el-col :xs="24" :sm="12" :md="12" :lg="12" :xl="12" class="mb20">
            <el-form-item label="角色名称" prop="name">
              <el-input v-model="formData.name" placeholder="请输入角色名称" clearable></el-input>
            </el-form-item>
          </el-col>
          <el-col :xs="24" :sm="12" :md="12" :lg="12" :xl="12" class="mb20">
            <el-form-item label="排序">
              <el-input-number v-model="formData.listOrder" :min="0" controls-position="right"
                               placeholder="请输入排序" class="w100"/>
            </el-form-item>
          </el-col>
          <el-col :xs="24" :sm="12" :md="12" :lg="12" :xl="12" class="mb20">
            <el-form-item label="角色状态">
              <el-switch v-model="formData.status" :active-value="1" :inactive-value="0" inline-prompt
                         active-text="启" inactive-text="禁"></el-switch>
            </el-form-item>
          </el-col>
          <el-col :xs="24" :sm="24" :md="24" :lg="24" :xl="24" class="mb20">
            <el-form-item label="角色描述">
              <el-input v-model="formData.remark" type="textarea" placeholder="请输入角色描述"
                        maxlength="150"></el-input>
            </el-form-item>
          </el-col>
          <el-col :xs="24" :sm="24" :md="24" :lg="24" :xl="24" class="mb20">
            <el-form-item label="菜单权限">
              <el-row :gutter="35">
                <el-col :xs="24" :sm="24" :md="24" :lg="24" :xl="24">
                  <el-checkbox v-model="menuExpand" @change="handleCheckedTreeExpand($event)">展开/折叠
                  </el-checkbox>
                  <el-checkbox v-model="menuNodeAll" @change="handleCheckedTreeNodeAll($event)">
                    全选/全不选
                  </el-checkbox>
                  <el-checkbox v-model="menuCheckStrictly" @change="handleCheckedTreeConnect($event)">
                    父子联动
                  </el-checkbox>
                </el-col>
                <el-col :xs="24" :sm="24" :md="24" :lg="24" :xl="24" class="mb20">
                  <el-tree
                      :data="menuData"
                      ref="menuRef"
                      :props="menuProps"
                      :default-checked-keys="formData.menuIds"
                      node-key="id"
                      show-checkbox class="menu-data-tree tree-border"
                      :check-strictly="!menuCheckStrictly"/>
                </el-col>
              </el-row>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <template #footer>
				<span class="dialog-footer">
					<el-button @click="onCancel" size="default">取 消</el-button>
					<el-button type="primary" @click="onSubmit" size="default"
                     :loading="loading">{{ formData.id === 0 ? '新 增' : '修 改' }}</el-button>
				</span>
      </template>
    </el-dialog>
  </div>
</template>

<script lang="ts">
import {reactive, toRefs, defineComponent, ref, getCurrentInstance, unref} from 'vue';
import {addRole, getRole, getRoleAccesses, updateRole} from "/@/api/system/role";
import {ElMessage} from "element-plus";
import {refreshBackEndControlRoutes} from "/@/router/backEnd";


// 定义接口来定义对象的类型
interface MenuDataTree {
  id: number;
  pid: number;
  title: string;
  children?: MenuDataTree[];
}

interface DialogRow {
  id: number;
  name: string;
  status: number;
  listOrder: number;
  remark: string;
  menuIds: Array<number>
}

interface RoleState {
  loading: boolean;
  isShowDialog: boolean;
  formData: DialogRow;
  menuData: Array<MenuDataTree>;
  menuExpand: boolean;
  menuNodeAll: boolean;
  menuCheckStrictly: boolean;
  menuProps: {
    children: string;
    label: string;
  };
  rules: object;
}

export default defineComponent({
  name: 'systemEditRole',
  setup(props, {emit}) {
    const {proxy} = getCurrentInstance() as any;
    const formRef = ref<HTMLElement | null>(null);
    const menuRef = ref();
    const state = reactive<RoleState>({
      loading: false,
      isShowDialog: false,
      formData: {
        id: 0,
        name: '',
        status: 1,
        listOrder: 0,
        remark: '',
        menuIds: []
      },
      // 表单校验
      rules: {
        name: [
          {required: true, message: "角色名称不能为空", trigger: "blur"},
        ]
      },
      menuData: [],
      menuExpand: false,
      menuNodeAll: false,
      menuCheckStrictly: false,
      menuProps: {
        children: 'children',
        label: 'title',
      },
    });
    // 打开弹窗
    const openDialog = (row?: DialogRow) => {
      resetForm();
      if (row?.id) {
        state.formData.id = row.id;
      }
      getMenuData();
      if (row) {
        getRole(row.id).then((res: any) => {
          if (res.data.role) {
            state.formData = res.data.role;
            state.formData.menuIds = res.data.menuIds ?? []
          }
        })
      }
      state.isShowDialog = true;
    };
    // 关闭弹窗
    const closeDialog = () => {
      state.isShowDialog = false;
    };
    // 取消
    const onCancel = () => {
      closeDialog();
    };
    // 新增
    const onSubmit = () => {
      const formWrap = unref(formRef) as any;
      if (!formWrap) return;
      formWrap.validate((valid: boolean) => {
        if (valid) {
          state.loading = true;
          state.formData.menuIds = getMenuAllCheckedKeys();
          if (state.formData.id === 0) {
            //添加
            addRole(state.formData).then(() => {
              ElMessage.success('角色添加成功');
              closeDialog(); // 关闭弹窗
              resetMenuSession()
              emit('getRoleList')
            }).finally(() => {
              state.loading = false;
            })
          } else {
            //修改
            updateRole(state.formData).then(() => {
              ElMessage.success('角色修改成功');
              closeDialog(); // 关闭弹窗
              resetMenuSession()
              emit('getRoleList')
            }).finally(() => {
              state.loading = false;
            })
          }
        }
      });
    };
    // 获取菜单结构数据
    const getMenuData = () => {
      getRoleAccesses({id: state.formData.id}).then((res: any) => {
        state.menuData = proxy.handleTree(res.data.menu, "id", "pid");
      })
    };
    const resetForm = () => {
      state.menuCheckStrictly = false;
      state.menuExpand = false;
      state.menuNodeAll = false;
      state.formData = {
        id: 0,
        name: '',
        status: 1,
        listOrder: 0,
        remark: '',
        menuIds: []
      }
    };
    /** 树权限（展开/折叠）*/
    const handleCheckedTreeExpand = (value: any) => {
      let treeList = state.menuData;
      for (let i = 0; i < treeList.length; i++) {
        menuRef.value.store.nodesMap[treeList[i].id].expanded = value;
      }
    }

    /** 树权限（全选/全不选） */
    const handleCheckedTreeNodeAll = (value: any) => {
      menuRef.value.setCheckedNodes(value ? state.menuData : []);
    }

    /** 树权限（父子联动） */
    const handleCheckedTreeConnect = (value: any) => {
      state.menuCheckStrictly = value ? true : false;
    }

    /** 所有菜单节点数据 */
    function getMenuAllCheckedKeys() {
      // 目前被选中的菜单节点
      let checkedKeys = menuRef.value.getCheckedKeys();
      // 半选中的菜单节点
      let halfCheckedKeys = menuRef.value.getHalfCheckedKeys();
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
      return checkedKeys;
    }

    // 重置菜单session
    const resetMenuSession = () => {
      refreshBackEndControlRoutes();
    };
    return {
      openDialog,
      closeDialog,
      onCancel,
      onSubmit,
      menuRef,
      formRef,
      handleCheckedTreeExpand,
      handleCheckedTreeNodeAll,
      handleCheckedTreeConnect,
      resetMenuSession,
      ...toRefs(state),
    };
  },
});
</script>

<style scoped lang="scss">
.tree-border {
  margin-top: 5px;
  border: 1px solid #e5e6e7 !important;
  border-radius: 4px;
}

.system-edit-role-container {
  .menu-data-tree {
    border: var(--el-input-border, var(--el-border-base));
    border-radius: var(--el-input-border-radius, var(--el-border-radius-base));
    padding: 5px;
  }
}
</style>
